Overview - Muffler, AWD Vehicles

Version 1

Fig 1: Muffler, Awd Vehicles Exploded View

Courtesy of AUDI OF AMERICA, LLC

1. Retaining Loop
   • Replace if damaged
   • Replace the red retaining loop after removing
2. Bolt
   • 20 Nm
3. Bracket
4. Rear Muffler
   • Original equipment one unit with the center muffler. If a repair is required replace each separately
   • Removing and Installing. Refer to MUFFLER, REMOVING AND INSTALLING .
   • Separating point. Refer to EXHAUST PIPES/MUFFLERS, DISCONNECTING .
   • Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
5. Retaining Loop
   • Replace if damaged
   • Replace the red retaining loop after removing
6. Nut
   • 20 Nm
7. Rear Clamping Sleeve
   • Before tightening, align the exhaust system without tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
   • Tighten threaded connections evenly.
   • Installation position. Refer to Figure.
8. Center Muffler
   • Original equipment as one unit with the rear muffler. If a repair is required replace each separately
   • Removing and Installing. Refer to MUFFLER, REMOVING AND INSTALLING .
   • Separating point. Refer to EXHAUST PIPES/MUFFLERS, DISCONNECTING .
   • Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
9. Retaining Loop
   • Replace if damaged
   • Replace the red retaining loop after removing
10. Bracket
11. Bolt
    • 20 Nm
12. Retaining Loop
    • Replace if damaged
    • Replace the red retaining loop after removing
13. Bracket
14. Bolt
    • 20 Nm
15. Trim
    • For the tail pipe

Installation Position for Rear Clamping Sleeve

Fig 2: Installation Position for Rear Clamping Sleeve

Courtesy of AUDI OF AMERICA, LLC

-- Install the clamping sleeve in the position shown.

• Angle -α- = approximately 20°.
• Threaded connections are to the left.
• The nuts are toward the top.

Version 2

Fig 3: Exploded View Of Muffler

Courtesy of AUDI OF AMERICA, LLC

1. Bolt
   • 20 Nm
2. Bracket
3. Retaining Loop
   • Replace if damaged
   • Replace the red retaining loop after removing
4. Retaining Loop
   • Replace if damaged
   • Replace the red retaining loop after removing
5. Rear Clamping Sleeve
   • Before tightening, align the exhaust system without tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
   • Tighten threaded connections evenly.
   • Installation position. Refer to Figure.
6. Nut
   • 20 Nm
7. Center Muffler
   • Original equipment as one unit with the rear muffler. If a repair is required replace each separately
   • Removing and Installing. Refer to MUFFLER, REMOVING AND INSTALLING .
   • Separating point. Refer to EXHAUST PIPES/MUFFLERS, DISCONNECTING .
   • Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
8. Retaining Loop
   • Replace if damaged
   • Replace the red retaining loop after removing
9. Bracket
10. Bolt
    • 20 Nm
11. Retaining Loop
    • Replace if damaged
    • Replace the red retaining loop after removing
12. Bracket
13. Bolt
    • 20 Nm
14. Trim
    • For the tail pipes
15. Rear Muffler
    • With the Exhaust Door Control Units - J883- / -J945-. Refer to Fig 4.
    • Original equipment one unit with the center muffler. If a repair is required replace each separately
    • Removing and Installing. Refer to MUFFLER, REMOVING AND INSTALLING .
    • Separating point. Refer to EXHAUST PIPES/MUFFLERS, DISCONNECTING .
    • Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .

Exhaust Door Control Unit - Tightening Specification

Fig 4: Exhaust Door Control Unit - Tightening Specification

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the nuts -4- to 3 Nm.